Daily Practice · GCSE Science

Daily Practice - GCSE Science

Biology, chemistry and physics recall, definition and calculation, drawn from every strand.

6th August 2017

5 questions · GCSE · 584 questions in this band

1
Life Cycle Assessment, Recycling and Corrosion
State the two substances that must both be present for iron to rust.
2
Atomic Structure and the History of the Atom
Write the electronic structure of a magnesium atom (12 electrons).
3
The Periodic Table: Groups and Trends
Why did Mendeleev leave gaps in his table?
4
Bonding, Structure and Properties of Matter
State one reason why simple covalent substances such as chlorine have low melting points.
5
Chemical Bonding: Ionic, Covalent and Metallic
Describe metallic bonding.

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